19574060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{461}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 45172512

約数和(自身を除く): 25598452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 193, 220, 386, 461, 772, 922, 965, 1844, 1930, 2123, 2305, 3860, 4246, 4610, 5071, 8492, 9220, 10142, 10615, 20284, 21230, 25355, 42460, 50710, 88973, 101420, 177946, 355892, 444865, 889730, 978703, 1779460, 1957406, 3914812, 4893515, 9787030, 19574060]

約数ペア:

[(1, 19574060), (2, 9787030), (4, 4893515), (5, 3914812), (10, 1957406), (11, 1779460), (20, 978703), (22, 889730), (44, 444865), (55, 355892), (110, 177946), (193, 101420), (220, 88973), (386, 50710), (461, 42460), (772, 25355), (922, 21230), (965, 20284), (1844, 10615), (1930, 10142), (2123, 9220), (2305, 8492), (3860, 5071), (4246, 4610)]